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Individual Calculations December 2013 |
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| Kalavannan, Koby Total change: 21.60 | |   |
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| e2e4 Gatwick Open November 2013 | Gatwick, London | ENG | 2013-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2076 | 1812 | 2.00 | 4 | 1.20 | 15 | 18.00 | |
|  Mayhew, Andrew | | | 2058 | ENG | 1.00 | 1 | 0.81 | 15 | 12.15 | |  Gutierrez Olivares, Daniel | f | | 2212 * | ESP | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Kemp, Peter D | | | 2164 | ENG | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Korhonen, Erkki | | | 1868 | FIN | 1.00 | 1 | 0.58 | 15 | 8.70 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Hampstead Under 2200 FIDE Congress November 2013 | London | ENG | 2013-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1865 | 1812 | 1.50 | 3 | 0.24 | 15 | 3.60 | |
| | Sanitt, Ethan | | | 1485 | ENG | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Prior, Stephen C V | | | 2019 | ENG | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Healey, Michael | | | 2091 | ENG | 0.00 | 1 | -0.16 | 15 | -2.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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